Answer:
118.99
Step-by-step explanation: 15% off so you're only gonna pay 85% of 139.99. so 139.99 times 85% is 118.99
Answer:
ok hold on
Step-by-step explanation:
It is isosceles trapezium, so angle A=angle B,
angle C=angle D=angle BDC
triangle BCD,
180=22 +D+(D-88)
(D-88) because in trapezium C=D, angle BCD=ACD-88 or C-88, and D-88
180=2D-66
2D=180+66
2D=246
D=123
Number of exams per semester = 5
Average of first four exams = 90
Therefore,
Total of first four exams = 90*4 = 360 marks
Based on 5 exams,
Average = 360/5 = 72